<template>
	<view v-if="goods_info.goods_name">
		<swiper :indicator-dots="true"
		:autoplay="true"
		:interval="3000"
		:duration="1000"
		:circular="true"
		>
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-info-box">
			<view class="price">￥{{goods_info.goods_price}}</view>
			<view class="goods-info-body">
				<view class="goods-name">{{goods_info.goods_name}}</view>
			    <view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
		</view>
		 <rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<view class="goods_nav">
			<uni-goods-nav 
			:fill="true"
			:options="options"
			:buttonGroup="buttonGroup"
			@click="onClick"
			@buttonClick="buttonClick"
			/>
		</view>
		<view class="yf">快递：免运费--{{cart.length}}</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from "vuex"
	export default {
		data() {
			return {
				goods_info:{
				
				},
				options:[
					{
						icon:'shop',
						text:'店铺'
					},
					{
						icon:'cart',
						text:'购物车',
						info:2
					}
					],	
					buttonGroup:[
						{
							text:'加入购物车',
							backgroundColor:'#ff0000'
						},
						{
							text:'立即购买',
							backgroundColor:"#ffa200",
							color:"#fff"
						}
					]
			}
		},
		watch:{
			// 定义 total 侦听器，指向一个配置对象
			total:{
				   // handler 属性用来定义侦听器的 function 处理函数
				handler(newVal){
					const findResult=this.options.find((x)=>x.text==="购物车");
					if(findResult){
						findResult.info=newVal;
					}
				},
				// immediate 属性用来声明此侦听器，是否在页面初次加载完毕后立即调用
				immediate:true
			}
		},
		computed:{
			// 调用 mapState 方法，把 m_cart 模块中的 cart 数组映射到当前页面中，作为计算属性来使用
		   // ...mapState('模块的名称', ['要映射的数据名称1', '要映射的数据名称2'])
			...mapState('m_cart',['cart']),
			...mapGetters('m_cart',['total']),
		},
		onLoad(option) {
			const goods_id=option.goods_id;
			this.getGoodsDetail(goods_id);
		},
		methods:{
			...mapMutations('m_cart',['addCart']),
			onClick(){
					uni.switchTab({
						url:"../../pages/cart/cart"
					})
			},
			buttonClick(e){
				if(e.content.text==='加入购物车'){
					const goods={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_pirce:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					};
					this.addCart(goods);
					}
			},
			async getGoodsDetail(goods_id){
				const {data:res}=await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
				if(res.meta.status!==200){
					return uni.$showMsg()
				}
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g, 'jpg')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			}
		}
	}
</script>

<style lang="scss">
  swiper {
    height: 750rpx;

    image {
      width: 100%;
      height: 100%;
    }
  }

  .goods-info-box {
    padding: 10px;
    padding-right: 0;

    .price {
      color: #C00000;
      font-size: 18px;
      margin: 10px 0;
    }

    .goods-info-body {
      display: flex;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
        margin-right: 10px;
      }

      .favi {
        width: 120px;
        font-size: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-left: 1px solid #efefef;
        color: gray;
      }
    }

    .yf {
      font-size: 12px;
      color: gray;
      margin: 10px 0;
    }
  }

  .goods_nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }

  .goods-detail-container {
    padding-bottom: 50px;
  }
</style>

